Greatsword

Loot

Orrian Longsword
Ceremonial Scimitar
Etched Avenger
Legionnaire Greatsword
Tribal Greatsword

Loot - Champion

Cobalt
Crystal Guardian

Karma

Pirate Slayer
Modniir Sunderer
Lionguard Sword
Ebon Vanguard Greatsword
Jotun Greatsword

Karma - Cultural

Krytan Greatsword
Tier 1
Human
Aureate Highlander Sword
Tier 2
Human
Seraph Greatsword
Tier 3
Human
Zweihander
Tier 1
Norn
Norn Greatsword
Tier 2
Norn
Wolfborn Greatsword
Tier 3
Norn
Great Steamblade
Tier 1
Charr
Flame Greatsword
Tier 2
Charr
Adamant Guard Greatsword
Tier 3
Charr
Glyphic Longsword
Tier 1
Sylvari & Asura
Verdant Greatsword
Tier 2
Sylvari & Asura
Warden Greatsword
Tier 3
Sylvari
Peacemaker's Greatsword
Tier 3
Asura

Crafted

Bronze Greatsword/Iron Greatsword/
Steel Greatsword/Darksteel
Greatsword/Mithril Greatsword
Bandit Sunderer
Dredge Sunderer
Beaded Claymore
Ogre Longsword
Godskull Slayer
Krait Slayer
Pearl Broadsword
Destroyer Greatsword
Corrupted Avenger

Crafted - Ascended

Wupwup Claymore
Zintl Claymore/Tonn's Claymore
Leftpaw's Claymore/Beigarth's
Claymore/Angchu Claymore
Coalforge's Claymore/Soros's Claymore
Occam's Claymore/Grizzlemouth's
Claymore/Mathilde's Claymore
Zojja's Claymore/Stonecleaver's
Claymore/Chorben's Claymore
Ebonmane's Claymore/Theodsus's
Claymore/Hronk's Claymore

Crafted - Mystic Forge

Mystic Claymore
Breath of Flame
Dawn/Khrysaor, the Golden Sword
Dhuumseal
Dusk/Naegling
Ebonblade
Foefire's Essence
Kymswarden
Naga Fang
Skybringer
Vision of the Mists
Volcanus
Sunrise
Legendary
Twilight
Legendary
Eternity
Legendary
Sunrise by Day, Twilight by Night

Order

Priory Historical Greatsword
Whisper's Secret Greatsword
Vigil's Honor Greatsword
Pact Greatsword
Personal Story

Dungeon

Ghastly Greatsword
Ascalonian Catacombs
Glows blue at night
Golden Greatsword
Caudecus' Manor
Nightmare Greatsword
Twilight Arbor
Dark Asuran Greatsword
Sorrow's Embrace
Molten Greatsword
Citadel of Flame
Kodan Greatsword
Honor of the Waves
Inquest Greatsword
Crucible of Eternity
Greatsword of the Dragon's Deep
Arah
Fractal Greatsword
Fractal of the Mists

Guild

Guild Sunderer

Legacy

Fellblade

Achievement Reward

Zenith Avenger
Skin

Event

Greatsaw Greatsword
Skin
Shadow of the Mad King
Winter's Edge Greatsword
Skin
Wintersday 2012
Fused Greatsword
Skin
Flame and Frost

Super Greatsword
Skin
Super Adventure Box
King Toad's Greatsword
Skin
Super Adventure Box
Storm Wizard's Greatsword
Skin
Super Adventure Box
Sclerite Greatsword
Skin
The Secret of Southsun
Dragon's Jade Avenger
Skin
Dragon Bash

Aetherized Greatsword
Skin
Cutthroat Politics
Sovereign Crusader
Skin
Queen's Jubilee
Zodiac Greatsword
Skin
Clockwork Chaos